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[or-cvs] Add a new controller event type that allows controllers to ...



Update of /home/or/cvsroot/tor/src/or
In directory moria:/tmp/cvs-serv1007/src/or

Modified Files:
	control.c dirserv.c or.h 
Log Message:
Add a new controller event type that allows controllers to get all
server descriptors that were uploaded to a router in its role as authoritative
dirserver.


Index: control.c
===================================================================
RCS file: /home/or/cvsroot/tor/src/or/control.c,v
retrieving revision 1.152
retrieving revision 1.153
diff -u -d -r1.152 -r1.153
--- control.c	18 Nov 2005 11:35:23 -0000	1.152
+++ control.c	19 Nov 2005 18:35:43 -0000	1.153
@@ -73,7 +73,8 @@
 #define EVENT_ERR_MSG         0x000B
 #define LAST_V0_EVENT         0x000B
 #define EVENT_ADDRMAP         0x000C
-#define _EVENT_MAX            0x000C
+#define EVENT_AUTHDIR_NEWDESCS 0x000D
+#define _EVENT_MAX            0x000D
 
 /** Array mapping from message type codes to human-readable message
  * type names. Used for compatibility with version 0 of the control
@@ -916,6 +917,8 @@
           event_code = EVENT_NEW_DESC;
         else if (!strcasecmp(ev, "ADDRMAP"))
           event_code = EVENT_ADDRMAP;
+        else if (!strcasecmp(ev, "AUTHDIR_NEWDESCS"))
+          event_code = EVENT_AUTHDIR_NEWDESCS;
         else {
           connection_printf_to_buf(conn, "552 Unrecognized event \"%s\"\r\n",
                                    ev);
@@ -2611,6 +2614,44 @@
   return 0;
 }
 
+/** The authoritative dirserver has received a new descriptor that
+ * has passed basic syntax checks and is properly self-signed.
+ *
+ * Notify any interested party of the new descriptor and what has
+ * been done with it, and also optionally give an explanation/reason. */
+int
+control_event_or_authdir_new_descriptor(const char *action, const char *descriptor, const char *msg)
+
+{
+  char firstline[1024];
+  char *buf;
+  int totallen;
+  char *esc = NULL;
+  size_t esclen;
+
+  if (!EVENT_IS_INTERESTING(EVENT_AUTHDIR_NEWDESCS))
+    return 0;
+
+  tor_snprintf(firstline, sizeof(firstline),
+               "650+AUTHDIR_NEWDESC=\r\n%s\r\n%s\r\n",
+               action,
+               msg ? msg : "");
+
+  /* Escape the server descriptor properly */
+  esclen = write_escaped_data(descriptor, strlen(descriptor), 1, &esc);
+
+  totallen = strlen(firstline) + esclen + 1;
+  buf = tor_malloc(totallen);
+  strlcpy(buf, firstline, totallen);
+  strlcpy(buf+strlen(firstline), esc, totallen);
+  send_control1_event_string(EVENT_AUTHDIR_NEWDESCS, buf);
+
+  tor_free(esc);
+  tor_free(buf);
+
+  return 0;
+}
+
 /** Choose a random authentication cookie and write it to disk.
  * Anybody who can read the cookie from disk will be considered
  * authorized to use the control connection. */

Index: dirserv.c
===================================================================
RCS file: /home/or/cvsroot/tor/src/or/dirserv.c,v
retrieving revision 1.267
retrieving revision 1.268
diff -u -d -r1.267 -r1.268
--- dirserv.c	19 Nov 2005 06:57:44 -0000	1.267
+++ dirserv.c	19 Nov 2005 18:35:43 -0000	1.268
@@ -456,11 +456,16 @@
          ri->nickname);
     *msg = "Not replacing router descriptor; no information has changed since the last one with this identity.";
     routerinfo_free(ri);
+    control_event_or_authdir_new_descriptor("DROPPED", desc, *msg);
     return 0;
   }
   if ((r = router_add_to_routerlist(ri, msg, 0))<0) {
+    if (r < -1) /* unless the routerinfo was fine, just out-of-date */
+      control_event_or_authdir_new_descriptor("REJECTED", desc, *msg);
     return r == -1 ? 0 : -1;
   } else {
+    control_event_or_authdir_new_descriptor("ACCEPTED", desc, *msg);
+
     smartlist_t *changed = smartlist_create();
     smartlist_add(changed, ri);
     control_event_descriptors_changed(changed);

Index: or.h
===================================================================
RCS file: /home/or/cvsroot/tor/src/or/or.h,v
retrieving revision 1.737
retrieving revision 1.738
diff -u -d -r1.737 -r1.738
--- or.h	19 Nov 2005 10:12:10 -0000	1.737
+++ or.h	19 Nov 2005 18:35:43 -0000	1.738
@@ -1739,6 +1739,7 @@
 void control_event_logmsg(int severity, unsigned int domain, const char *msg);
 int control_event_descriptors_changed(smartlist_t *routers);
 int control_event_address_mapped(const char *from, const char *to,time_t expires);
+int control_event_or_authdir_new_descriptor(const char *action, const char *descriptor, const char *msg);
 
 int init_cookie_authentication(int enabled);
 int decode_hashed_password(char *buf, const char *hashed);